body, html {
    font: 14px/1.5 "PingFang SC", "微软雅黑", "Microsoft YaHei", Helvetica, "Helvetica Neue", Tahoma, Arial, sans-serif;
    color: #1c1f21;
}
a, button, input {
    outline: 0;
}
ol, ul {
    list-style: none;
}
*{
    margin: 0;
    padding: 0;
}
#main {
    background: #f3f5f7;
    min-height: 750px;
    padding: 0;
}
.wrap {
    width: 100%;
    background-color: #fff;
    padding-bottom: 12px;
    /*box-shadow: 0 4px 8px 0 rgba(28,31,33,.1);*/
}
.wrap .top {
    max-width: 1386px;
    margin: auto;
}
.wrap .top .course-top {
    clear: both;
    border-bottom: 1px solid rgba(28,31,33,.2);
}
.wrap .top .course-top .top-header {
    margin-top: 20px;
    display: inline-block;
}
.wrap .top .course-top .course-top-search {
    position: relative;
    float: right;
    width: 520px;
    margin: 8px 0;
}
.wrap .top .course-top .course-top-search .search-area {
    float: right;
    padding-right: 40px;
    margin: 12px 0;
    width: 466px;
    height: 36px;
    line-height: 36px;
    background: #f3f5f6;
    border-radius: 8px;
    border: 0;
    position: relative;
}
.wrap .top .course-top .course-top-search .search-area .search-input {
    padding: 0 16px;
    color: #1c1f21;
    height: 36px;
    line-height: 36px;
    font-size: 14px;
}
.search-area .search-input {
    padding: 12px 0;
    width: 100%;
    height: 46px;
    line-height: 22px;
    font-size: 12px;
    float: left;
    border: 0;
    color: #fff;
    -webkit-transition: background-color .3s;
    -moz-transition: background-color .3s;
    transition: background-color .3s;
    background-color: transparent;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}
.search-area .btn_search {
    float: left;
    cursor: pointer;
    width: 30px;
    height: 38px;
    text-align: center;
    -webkit-transition: background-color .3s;
    -moz-transition: background-color .3s;
    transition: background-color .3s;
}
.wrap .top .course-top .course-top-search .search-area .search-area-result {
    top: 40px;
}
.search-area .search-area-result {
    position: absolute;
    left: 0;
    top: 60px;
    width: 300px;
    margin-bottom: 20px;
    border-top: none;
    background-color: #fff;
    box-shadow: 0 8px 16px 0 rgba(7,17,27,.2);
    font-size: 12px;
    overflow: hidden;
    display: none;
    z-index: 800;
    border-bottom-right-radius: 8px;
    border-bottom-left-radius: 8px;
}
.wrap .top .course-top .course-top-search .showhide-search {
    width: 24px;
    height: 24px;
    font-size: 24px;
    color: #9199a1;
    text-align: right;
    position: absolute;
    display: inline-block;
    right: 16px;
    bottom: 15px;
    cursor: pointer;
}
.wrap .top .course-top .course-top-search .showhide-search .icon-search {
    float: left;
    font-size: 18px;
}
.course-content {
    float: none;
    width: 100%;
    box-shadow: none;
}
.course-nav-row {
    position: relative;
    padding: 16px 0 5px;
    border-bottom: 1px solid #edf1f2;
}
.course-nav-row .hd {
    width: 52px;
    height: 20px;
    line-height: 30px;
    font-weight: 700;
    font-size: 14px;
    color: #07111b;
    text-align: left;
}
.l {
    float: left;
}
.course-nav-row .bd {
    margin-left: 50px;
}
.course-nav-item {
    display: inline-block;
    margin: 0 4px;
}
.course-nav-item.on a {
    background: rgba(242,13,13,.06);
    border-radius: 6px;
    font-weight: 700;
    color: #f20d0d;
}
.course-nav-item a {
    display: block;
    line-height: 14px;
    margin-bottom: 10px;
    padding: 10px;
    font-size: 14px;
}
.course-nav-skills {
    max-height: 155px;
    -webkit-transition: 0.3s;
    overflow: hidden;
}

.course-nav-skills:hover{
    max-height: 240px;
    /*position: absolute;*/
}
.course-skills-box {
    position: relative;
    z-index: 1;
}
.course-tool-bar {
    position: relative;
    padding-top: 26px;
    padding-bottom: 21px;
    overflow: hidden;
    height: 14px !important;
    margin-top: -1px;
    padding-right: 15px;
    font-size: 12px;
}
.moco-change-smalle-btn.active {
    color: #FFFFFF;
    background: #9199a1;
    cursor: default;
}
.moco-change-smalle-btn {
    padding: 4px 12px;
    font-size: 12px;
    color: #545c63;
    line-height: 16px;
    background: #fff;
    border-radius: 12px;
    cursor: pointer;
    margin-right: 12px;
}
.course-tool-bar .tool-right {
    margin-top: -3px;
    color: #787d82;
}
.course-tool-bar .tool-item {
    display: inline-block;
    line-height: 20px;
    margin: 0 8px;
    vertical-align: middle;
}
.r{
    float: right;
}
.tool-chk {
    display: inline-block;
    height: 22px;
    line-height: 22px;
    padding-bottom: 5px;
    padding-left: 52px;
    background: url(http://localhost:8080/images/sw-off.png) no-repeat;
}
.course-list {
    padding: 10px 0 20px;
}
.moco-course-list {
    margin: 0 0 0 -18px;
}
.course-card-container {
    float: left;
    margin: 0 0 18px 18px;
    height: 256px;
    z-index: 0;
}
.course-card-container {
    width: 216px;
    height: 275px;
    position: relative;
    transition: .3s all linear;
    overflow: hidden;
}
.course-card-container .course-card-top .course-label {
    position: absolute;
    bottom: 135px;
    left: 8px;
    font-size: 12px;
    color: #fff;
    line-height: 16px;
}
.course-card-container .course-card-content {
    padding: 0px 8px;
}
.course-card-container .course-card-content .course-card-name {
    font-size: 16px;
    color: #07111b;
    line-height: 24px;
    word-wrap: break-word;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    max-height: 46px;
    transition: all .3s;
}
.course-card-container .course-card-content .course-card-info {
    margin-top: 2px;
}
.course-card-container .course-card-content .course-card-info span {
    display: inline-block;
    margin-right: 4px;
}
.course-card-container .course-card-content .course-card-desc {
    font-size: 12px;
    font-weight: 300;
    color: #93999f;
    line-height: 22px;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 44px;
}
.course-card-container .course-card-top .course-banner {
    width: 100%;
    height: 100%;
    background-color: #f3f5f7;
    border-radius: 8px;
}
fieldset, img {
    border: 0;
}
.course-card-container .course-card-top .course-label label {
    display: inline-block;
    background: rgba(7,17,27,.4);
    border-radius: 12px;
    padding: 4px 8px;
    margin-right: 4px;
    margin-bottom: 2px;
    margin-right: 0;
    font-weight: 200;
}
.course-card-container .course-card-content .course-card-info {
    font-size: 12px;
    color: #93999f;
    line-height: 24px;
    margin-top: 8px;
    font-weight: 400;
}
.course-tool-bar .pager-action {
    display: inline-block;
    vertical-align: middle;
    color: #fff;
    border-radius: 10px;
    margin-left: 5px;
    width: 18px;
    height: 18px;
    background-color: #d9dde1;
    background-repeat: no-repeat;
    font-size: 14px;
    line-height: 22px;
    text-align: center;
}
.course-tool-bar .pager-action span {
    float: left;
    margin-left: 2px;
    margin-top: 2px;
}
.icon-right2{
    font-size: 10px;
    font-weight: 100;
    padding-left: 2px;
}
h3{
    margin-top: 10px;
    margin-bottom: 0;
}
.no-course-helper {
    margin-top: 180px;
    font-size: 24px;
    font-weight: 300;
    color: #93999f;
    line-height: 24px;
}